Gas and vacuum tube electrode socket



Dec. 13, 1932. H, HARASE GAS AND VACUUM TUBE ELECTRODE SOCKET Filed NOV. 25, 1929 INVENTQ R): -HANZABURO HARASE. BYATIY: l I .7%

Patented Dec. 13, 1932 PATEN oFFlcE HANZABURO HARASE, 0F LOS ANGELES, CALIFORNIA GAS AND VACUUM TBE ELECTRODE SOCKET Application filed November 25, 1929. Serial No. 409,587.

This invention relates to electrode sockets, and particularly to sockets adapted to receive the electrodes of luminous gas tubes, vacuum tubes, electrical signs, and apparatus for display purposes.

The objects of the invention are to provide simple and ellicient electrical insulation for gas and vacuum tube electrodes, to protect the electrodes from the elements, to protect the tubes from shock, to allow for'inaccuracies of manufacture, to provide for ease of installation of the tubes, to provide for expansion and contraction of the tubes and holders, and to provide for efficient functioning under all conditions. Another object is to simplify the construction of the socket. the method of its application t a socket holder, to protect the connections for the service wire terminals, and to provide a large tolerance in the adjustment of the contact elements.

The preferred form in which my invention may be embodied in practice, and which I have so far found to be the most practical in use, and ellicient for the purpose intended, is shown in the accompanying drawing, in

' which- Figure 1 is a' sectional elevation of my improved electrode terminal socket applied to a vacuum tube terminal. Fig.' 2 is a side elevation of the socket. Fig. 3 is a plan and detail View of the top clamping ring. Fig.

4 is a side elevation of the top clamping memlcontainer 11, having partition wall 12, drainage holes 10, and aperture 13, and having the enlarged upper end 14. Top clamping mem' ber 15 has a screw connection with end 13,

and retains clamping ring 16 in lirm engagement with rubber gasket 17, which forms the top closure for the container. Screws 18 secure member 15 to socket holder wall 19.

wire 26 to the contact member.

The container is provided ,with drainage apertures 20, beneath partition wal-l 12. Spring contact member 2l is formed from a single strip of metal, and is retained in position by a pin 22, extending therethrough, and disposed in recess 23. A binding screw 24. extending'through the central portion 25, or' member 21, serves to secure a service terminal To protect the binding screw connection, I provide a rubber gasket 27, having a hole 28 through which service wire 26 extends, and which forms a closure for the socket and protection for the electrical contact elements. Contact member 21, has vcontact prongs 28, having resilient loop portions 29, permitting a perfect contact with the electrode terminal 30. The Contact member 21, when formed as shown, will permit a perfect contact with various forms of electrode terminals, allows a l" large tolerance in manufacture, provides for expansion and contraction of the vacuum tube, allows an elastic limit in the installation of the vacuum tube, is simple to manufacture, and is not liable to become disarranged and out o f order.

The construction embodied herein, affords more perfect electrical insulation, protects from inclement weather, and provides for expansion and contraction of the installed electrical devices.

What is claimed is: w

1. In an electrode socket, a tubular container having an integral partition wall intermediate the upper and lower ends thereof, a Contact member within the container above the partition wall and adapted to receive the terminal of a vacuum tube the contact member having a portion thereof extending through the partition wall, means for securing a service wire terminal to the contact member, and drainage apertures through the partition Wall, and through the tubular wall and beneath the partition wall.

2. In an electrode socket, a container, a

`partition wall Within the container, a Contact member mounted in the partition wall, contact prongs on the contact member disposed above the partition wall, means for clamping a servlceI wire terminal to the contact v member, and a rubber closure cap for the bottom of the container, the container having drainage holes through the partition wall and through the tubular wall and below theI partition wall.

3. In an electrode socket, a container, a partition wall integral with the container, a rubber ca formin a closure' for the lower end of t e contamer, a. contact member formed from a single strip of sheet metal and extending through the partition wall and into the upper and` lower compartments of the contalner, and means for clamping a service wire terminal to that portion ofthe contact member in the lower compartment.

' In testimony whereof, I hereunto ailix my signature.

' I-IANZABURO HARASE. 

